Home / 180,211,520.45-270,317,280.68-103,684,016.45

Finding the Fourth Proportional to 180,211,520.45, 270,317,280.68 and 103,684,016.45

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Solution

The fourth proportional to 180,211,520.45, 270,317,280.68 and 103,684,016.45 is: 155,526,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,211,520.45 : 270,317,280.68 = 103,684,016.45 : x
  2. Step 2: Convert to fraction form
    180,211,520.45/270,317,280.68 = 103,684,016.45/x
  3. Step 3: Cross multiply
    180,211,520.45x = 270,317,280.68 × 103,684,016.45
  4. Step 4: Simplify right side
    180,211,520.45x = 28,027,581,376,225,968
  5. Step 5: Solve for x
    x = 28,027,581,376,225,968/180,211,520.45
  6. Step 6: Final answer
    x = 155,526,024.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.